Campbell, James F. and Joseph R. Chambers. Patterns in the Sky, Natural Visualization of Aircraft Flow Fields, NASA SP-514. Hampton, VA, NASA Langley Research Center, 1994. 156pp, illus (color & b&w), 8.5x11", wrps, with180 remarkable photos of inflight flow fields around aircraft in flight. Great fun to read and browse while you imagine yourself in these supersonic wonders! Very good, several small cover creases.